mirror of
https://github.com/LongSoft/UEFITool.git
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202 lines
9.4 KiB
C++
202 lines
9.4 KiB
C++
/* ffs.cpp
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Copyright (c) 2015, Nikolaj Schlej. All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHWARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*/
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#include <QObject>
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#include "ffs.h"
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const QVector<QByteArray> FFSv2Volumes =
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QVector<QByteArray>()
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<< EFI_FIRMWARE_FILE_SYSTEM_GUID
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<< EFI_FIRMWARE_FILE_SYSTEM2_GUID
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<< EFI_APPLE_BOOT_VOLUME_FILE_SYSTEM_GUID
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<< EFI_APPLE_BOOT_VOLUME_FILE_SYSTEM2_GUID
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<< EFI_INTEL_FILE_SYSTEM_GUID
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<< EFI_INTEL_FILE_SYSTEM2_GUID
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<< EFI_SONY_FILE_SYSTEM_GUID;
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const QVector<QByteArray> FFSv3Volumes =
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QVector<QByteArray>()
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<< EFI_FIRMWARE_FILE_SYSTEM3_GUID;
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const UINT8 ffsAlignmentTable[] =
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{ 0, 4, 7, 9, 10, 12, 15, 16 };
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UINT8 calculateChecksum8(const UINT8* buffer, UINT32 bufferSize)
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{
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if (!buffer)
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return 0;
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UINT8 counter = 0;
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while (bufferSize--)
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counter += buffer[bufferSize];
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return (UINT8)0x100 - counter;
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}
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UINT16 calculateChecksum16(const UINT16* buffer, UINT32 bufferSize)
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{
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if (!buffer)
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return 0;
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UINT16 counter = 0;
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UINT32 index = 0;
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bufferSize /= sizeof(UINT16);
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for (; index < bufferSize; index++) {
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counter = (UINT16)(counter + buffer[index]);
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}
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return (UINT16)0x10000 - counter;
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}
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VOID uint32ToUint24(UINT32 size, UINT8* ffsSize)
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{
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ffsSize[2] = (UINT8)((size) >> 16);
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ffsSize[1] = (UINT8)((size) >> 8);
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ffsSize[0] = (UINT8)((size));
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}
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UINT32 uint24ToUint32(const UINT8* ffsSize)
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{
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return (ffsSize[2] << 16) +
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(ffsSize[1] << 8) +
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ffsSize[0];
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}
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QString guidToQString(const EFI_GUID& guid)
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{
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QByteArray baGuid = QByteArray::fromRawData((const char*)guid.Data, sizeof(EFI_GUID));
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const UINT32 i32 = *(const UINT32*)baGuid.left(4).constData();
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const UINT16 i16_0 = *(const UINT16*)baGuid.mid(4, 2).constData();
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const UINT16 i16_1 = *(const UINT16*)baGuid.mid(6, 2).constData();
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const UINT8 i8_0 = *(const UINT8*)baGuid.mid(8, 1).constData();
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const UINT8 i8_1 = *(const UINT8*)baGuid.mid(9, 1).constData();
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const UINT8 i8_2 = *(const UINT8*)baGuid.mid(10, 1).constData();
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const UINT8 i8_3 = *(const UINT8*)baGuid.mid(11, 1).constData();
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const UINT8 i8_4 = *(const UINT8*)baGuid.mid(12, 1).constData();
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const UINT8 i8_5 = *(const UINT8*)baGuid.mid(13, 1).constData();
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const UINT8 i8_6 = *(const UINT8*)baGuid.mid(14, 1).constData();
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const UINT8 i8_7 = *(const UINT8*)baGuid.mid(15, 1).constData();
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return QString("%1-%2-%3-%4%5-%6%7%8%9%10%11")
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.arg(i32, 8, 16, QChar('0'))
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.arg(i16_0, 4, 16, QChar('0'))
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.arg(i16_1, 4, 16, QChar('0'))
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.arg(i8_0, 2, 16, QChar('0'))
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.arg(i8_1, 2, 16, QChar('0'))
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.arg(i8_2, 2, 16, QChar('0'))
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.arg(i8_3, 2, 16, QChar('0'))
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.arg(i8_4, 2, 16, QChar('0'))
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.arg(i8_5, 2, 16, QChar('0'))
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.arg(i8_6, 2, 16, QChar('0'))
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.arg(i8_7, 2, 16, QChar('0')).toUpper();
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}
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QString fileTypeToQString(const UINT8 type)
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{
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switch (type)
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{
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case EFI_FV_FILETYPE_RAW: return QObject::tr("Raw");
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case EFI_FV_FILETYPE_FREEFORM: return QObject::tr("Freeform");
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case EFI_FV_FILETYPE_SECURITY_CORE: return QObject::tr("SEC core");
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case EFI_FV_FILETYPE_PEI_CORE: return QObject::tr("PEI core");
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case EFI_FV_FILETYPE_DXE_CORE: return QObject::tr("DXE core");
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case EFI_FV_FILETYPE_PEIM: return QObject::tr("PEI module");
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case EFI_FV_FILETYPE_DRIVER: return QObject::tr("DXE driver");
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case EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER: return QObject::tr("Combined PEI/DXE");
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case EFI_FV_FILETYPE_APPLICATION: return QObject::tr("Application");
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case EFI_FV_FILETYPE_SMM: return QObject::tr("SMM module");
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case EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE: return QObject::tr("Volume image");
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case EFI_FV_FILETYPE_COMBINED_SMM_DXE: return QObject::tr("Combined SMM/DXE");
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case EFI_FV_FILETYPE_SMM_CORE: return QObject::tr("SMM core");
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case EFI_FV_FILETYPE_PAD: return QObject::tr("Pad");
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default: return QObject::tr("Unknown");
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};
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}
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QString sectionTypeToQString(const UINT8 type)
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{
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switch (type)
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{
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case EFI_SECTION_COMPRESSION: return QObject::tr("Compressed");
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case EFI_SECTION_GUID_DEFINED: return QObject::tr("GUID defined");
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case EFI_SECTION_DISPOSABLE: return QObject::tr("Disposable");
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case EFI_SECTION_PE32: return QObject::tr("PE32 image");
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case EFI_SECTION_PIC: return QObject::tr("PIC image");
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case EFI_SECTION_TE: return QObject::tr("TE image");
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case EFI_SECTION_DXE_DEPEX: return QObject::tr("DXE dependency");
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case EFI_SECTION_VERSION: return QObject::tr("Version");
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case EFI_SECTION_USER_INTERFACE: return QObject::tr("User interface");
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case EFI_SECTION_COMPATIBILITY16: return QObject::tr("16-bit image");
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case EFI_SECTION_FIRMWARE_VOLUME_IMAGE: return QObject::tr("Volume image");
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case EFI_SECTION_FREEFORM_SUBTYPE_GUID: return QObject::tr("Freeform subtype GUID");
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case EFI_SECTION_RAW: return QObject::tr("Raw");
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case EFI_SECTION_PEI_DEPEX: return QObject::tr("PEI dependency");
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case EFI_SECTION_SMM_DEPEX: return QObject::tr("SMM dependency");
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case INSYDE_SECTION_POSTCODE: return QObject::tr("Insyde postcode");
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case SCT_SECTION_POSTCODE: return QObject::tr("SCT postcode");
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default: return QObject::tr("Unknown");
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}
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}
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UINT32 sizeOfSectionHeader(const EFI_COMMON_SECTION_HEADER* header)
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{
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if (!header)
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return 0;
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const bool extended = false;
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/*if (uint24ToUint32(header->Size) == EFI_SECTION2_IS_USED) {
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extended = true;
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}*/
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switch (header->Type)
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{
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case EFI_SECTION_GUID_DEFINED: {
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if (!extended) {
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const EFI_GUID_DEFINED_SECTION* gdsHeader = (const EFI_GUID_DEFINED_SECTION*)header;
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if (QByteArray((const char*)&gdsHeader->SectionDefinitionGuid, sizeof(EFI_GUID)) == EFI_FIRMWARE_CONTENTS_SIGNED_GUID) {
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const WIN_CERTIFICATE* certificateHeader = (const WIN_CERTIFICATE*)(gdsHeader + 1);
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return gdsHeader->DataOffset + certificateHeader->Length;
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}
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return gdsHeader->DataOffset;
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}
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else {
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const EFI_GUID_DEFINED_SECTION2* gdsHeader = (const EFI_GUID_DEFINED_SECTION2*)header;
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if (QByteArray((const char*)&gdsHeader->SectionDefinitionGuid, sizeof(EFI_GUID)) == EFI_FIRMWARE_CONTENTS_SIGNED_GUID) {
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const WIN_CERTIFICATE* certificateHeader = (const WIN_CERTIFICATE*)(gdsHeader + 1);
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return gdsHeader->DataOffset + certificateHeader->Length;
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}
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return gdsHeader->DataOffset;
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}
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}
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case EFI_SECTION_COMPRESSION: return extended ? sizeof(EFI_COMPRESSION_SECTION2) : sizeof(EFI_COMPRESSION_SECTION);
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case EFI_SECTION_DISPOSABLE: return extended ? sizeof(EFI_DISPOSABLE_SECTION2) : sizeof(EFI_DISPOSABLE_SECTION);
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case EFI_SECTION_PE32: return extended ? sizeof(EFI_PE32_SECTION2) : sizeof(EFI_PE32_SECTION);
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case EFI_SECTION_PIC: return extended ? sizeof(EFI_PIC_SECTION2) : sizeof(EFI_PIC_SECTION);
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case EFI_SECTION_TE: return extended ? sizeof(EFI_TE_SECTION2) : sizeof(EFI_TE_SECTION);
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case EFI_SECTION_DXE_DEPEX: return extended ? sizeof(EFI_DXE_DEPEX_SECTION2) : sizeof(EFI_DXE_DEPEX_SECTION);
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case EFI_SECTION_VERSION: return extended ? sizeof(EFI_VERSION_SECTION2) : sizeof(EFI_VERSION_SECTION);
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case EFI_SECTION_USER_INTERFACE: return extended ? sizeof(EFI_USER_INTERFACE_SECTION2) : sizeof(EFI_USER_INTERFACE_SECTION);
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case EFI_SECTION_COMPATIBILITY16: return extended ? sizeof(EFI_COMPATIBILITY16_SECTION2) : sizeof(EFI_COMPATIBILITY16_SECTION);
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case EFI_SECTION_FIRMWARE_VOLUME_IMAGE: return extended ? sizeof(EFI_FIRMWARE_VOLUME_IMAGE_SECTION2) : sizeof(EFI_FIRMWARE_VOLUME_IMAGE_SECTION);
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case EFI_SECTION_FREEFORM_SUBTYPE_GUID: return extended ? sizeof(EFI_FREEFORM_SUBTYPE_GUID_SECTION2) : sizeof(EFI_FREEFORM_SUBTYPE_GUID_SECTION);
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case EFI_SECTION_RAW: return extended ? sizeof(EFI_RAW_SECTION2) : sizeof(EFI_RAW_SECTION);
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case EFI_SECTION_PEI_DEPEX: return extended ? sizeof(EFI_PEI_DEPEX_SECTION2) : sizeof(EFI_PEI_DEPEX_SECTION);
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case EFI_SECTION_SMM_DEPEX: return extended ? sizeof(EFI_SMM_DEPEX_SECTION2) : sizeof(EFI_SMM_DEPEX_SECTION);
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case INSYDE_SECTION_POSTCODE: return extended ? sizeof(POSTCODE_SECTION2) : sizeof(POSTCODE_SECTION);
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case SCT_SECTION_POSTCODE: return extended ? sizeof(POSTCODE_SECTION2) : sizeof(POSTCODE_SECTION);
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default: return extended ? sizeof(EFI_COMMON_SECTION_HEADER2) : sizeof(EFI_COMMON_SECTION_HEADER);
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}
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}
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